Trees & Shrubs

Author(s) P. J. Pellitteri, D. L. Mahr. The maple petiole borer is an introduced species that has extended its range from the northeastern states ...

Author(s) P. J. Pellitteri, C. F. Koval, D. L. Mahr. Maple leaves frequently develop growths or swellings known as galls. These are caused by micr...

Author(s) C. F. Koval, D. L. Mahr. Landscapers and nursery operators in Wisconsin long considered honeysuckle a low-maintenance plant. The arrival...

Author(s) K. A. Delahaut. The honeylocust has become an increasingly important street and landscape tree in Wisconsin. Finer textured and less for...

Author(s) R. Chris Williamson, Andrea Diss. Many insecticides are available to control gypsy moths; however, not all are created equal. Before you...

Author(s) R. Chris Williamson, Andrea Diss. Gypsy moth egg masses contain all the eggs a female moth produces. Each destroyed egg mass represents ...

Author(s) R. Chris Williamson. This fact sheet covers the highly destructive gypsy moth, detailing its life cycle, the destruction it causes, and ...

Author(s) M. F. Heimann, P. J. Pellitteri, E. B. Smalley, R. P. Guries. Dutch elm disease is a fatal fungus disease attacking American elms. The f...

Author(s) E. R. Hasselkus Here's sound advice on planting, watering, mulching, pruning, and maintaining flowering shrubs and other woody plants (...